Stability ball rack



FIG. 1 is a front elevation view of a stability ball rack showing my new design.

FIG. 2 is a rear elevation view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 shows a bottom plan view thereof.

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof. 

CLAIM The ornamental design for a stability ball rack, as shown and described. 